What is CVE-2021-33351?

CVE-2021-33351 is a critical-severity vulnerability in Wyomind Help Desk, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-03-08.

How severe is CVE-2021-33351?

Critical severity. CVSS v3 base score is 9.0 out of 10.

XSS in Wyomind Help Desk

CVE-2021-33351

Cross Site Scripting Vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before and fixed in v.1.3.7 allows attackers to escalte privileges via a crafted payload in the ticket message field.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-03-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Wyomind Help Desk

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wyomind.com/magento2/helpdesk-magento-2.html (Product)
www.exploit-db.com/exploits/50113 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33351?: CVE-2021-33351 is a critical-severity vulnerability in Wyomind Help Desk, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-03-08.
How severe is CVE-2021-33351?: Critical severity. CVSS v3 base score is 9.0 out of 10.